Home / 436,777.40-655,170.15-137,251.35

Finding the Fourth Proportional to 436,777.40, 655,170.15 and 137,251.35

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Solution

The fourth proportional to 436,777.40, 655,170.15 and 137,251.35 is: 205,878.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,777.40 : 655,170.15 = 137,251.35 : x
  2. Step 2: Convert to fraction form
    436,777.40/655,170.15 = 137,251.35/x
  3. Step 3: Cross multiply
    436,777.40x = 655,170.15 × 137,251.35
  4. Step 4: Simplify right side
    436,777.40x = 89,922,987,567.20
  5. Step 5: Solve for x
    x = 89,922,987,567.20/436,777.40
  6. Step 6: Final answer
    x = 205,878.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.